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Union ​

The set union of the argument collections, de-duplicated.

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Union(a, b, …)the de-duplicated union of the collections, as a .

Domain: Collections

Details
  • Duplicates within and across all the argument collections are removed; the result is returned as a .
  • Commutative and idempotent: , and argument order doesn't affect the result.
  • Inclusion-exclusion: . See Intersection and Length.
  • compute-engine's Union preserves the order elements were first encountered in.

Examples

See also: Intersection, SetMinus